Wonder Woman is Student of the Month at the School of Superheroes again. For a special surprise, Principal Waller brought Wonder Woman's mother, Queen Hippolyta, for a visit.

Mystery Inc. withdraws from solving crimes after botching a case. When Vincent Van Ghoul contacts the gang about an unfinished investigation from Daphne, Shaggy and Scooby's past, the gang springs into action to finish the job that involves catching the 13th Ghost that escaped from the Chest of Demons and is still at large.

The Scooby gang visits a culinary resort run by Fred's uncle, Bobby Flay. While enjoying the sights, a ghost attacks the guests and destroys the resort, leaving the gang to put a stop to its threat.

JLA（Justice League Action）附属短片系列。